2861980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13009}}^1$

素因数の和:13029

約数の個数: 24

約数和(自身を含む): 6557040

約数和(自身を除く): 3695060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13009, 26018, 52036, 65045, 130090, 143099, 260180, 286198, 572396, 715495, 1430990, 2861980]

約数ペア:

[(1, 2861980), (2, 1430990), (4, 715495), (5, 572396), (10, 286198), (11, 260180), (20, 143099), (22, 130090), (44, 65045), (55, 52036), (110, 26018), (220, 13009)]